lineage/ruoyi-system/src/main/resources/mapper/app/TbGardenImgMapper.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.ruoyi.app.mapper.TbGardenImgMapper">
    
    <resultMap type="TbGardenImg" id="TbGardenImgResult">
        <result property="id"    column="id"    />
        <result property="gardenId"    column="garden_id"    />
        <result property="url"    column="url"    />
    </resultMap>

    <!--根据gardenId删除图片-->
    <delete id="deleteTbGardenImgByGardenId" parameterType="Long">
        delete from tb_garden_img where garden_id = #{gardenId}
    </delete>

</mapper>